1 answer:
X + y + z = 27
x = 2z
y = 3 + z
2z + 3 + z + z = 27 ; 4z = 24; z = 6 youngest
x = 12 oldest
y = 9 middle one
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Answer:
y - 7 = 4(x - 6)
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Answer:
600 in^2.
Step-by-step explanation:
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